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Pattern making and foundry practice; a plain statement of the methods of wood pattern making, as practiced in modern pattern shops, with complete instructions for sweep work and notes on foundry practice, together with numerous drawings taken from actual patterns .. (1905)

Hand, L. H. (Louis Henry), b. 1854 · Chicago, F. J. Drake & co. · leaf 88

An illustration from Pattern making and foundry practice; a plain statement of the methods of wood pattern making, as practiced in modern pattern shops, with complete instructions for sweep work and notes on foundry practice, together with numerous drawings taken from actual patterns .., 1905, leaf 88
n wheels. The circular pitch ofa gear wheel is the distance from center to -su .k--. JTrj ^r AND FOUNDRY PRACTICE 83 center of the cogs on the pitch Hne, and is foundby dividing the pitch line into as many spaces asthere are cogs in the wheel. All calculations inreference to gear wheels are made… … Let it be assumed of a gear wheel of any con-venient size, that it is 21 inches in diameter atthe pitch line, with any convenient number ofteeth, say 44. For all practical purposes anaccurate measurement of the circumference ofthis wheel would be accepted as G6 inches^ at thepitch Hne, and the…

Patternmaking · Founding

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

More pictures from Pattern making and foundry practice; a plain statement of the methods of wood pattern making, as practiced in modern pattern shops, with complete instructions for sweep work and notes on foundry practice, together with numerous drawings taken from actual patterns ..

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